Official 1981-2010 Climate Normals City: HUTSONVILLE PWR PLT State: IL ID: 114317 Latitude: 39.1331 Longitude: -87.6586 Elevation: 454.9 ft Temperature-Related Pseudonormals For stations with short records, linear combinations of normals from nearby sites were used to compute so-called pseudonormals. Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec High: 37.6 42.2 54.6 66.1 76.2 86.1 89.8 88.8 81.3 69.1 55.8 41.3 Mean: 28.8 33.3 43.3 54.5 65.0 75.0 78.1 76.6 68.6 56.5 45.1 32.6 Low: 20.0 24.4 31.9 42.9 53.8 63.9 66.4 64.3 55.9 43.9 34.3 23.9 CDD: 0 0 1 14 84 302 406 358 156 30 0 0 HDD: 1122 887 675 330 84 2 0 0 48 294 599 1004 Number of Days T090: 0.0 0.0 0.0 0.6 1.6 6.7 15.5 13.4 4.1 0.3 0.0 0.0 T100: 0.0 0.0 0.0 0.0 0.0 0.0 0.5 0.4 0.3 0.0 0.0 0.0 T000: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 T032: 28.7 22.9 18.9 2.5 0.0 0.0 0.0 0.0 0.0 2.5 13.0 25.4 ------------------------------------------------------------------------------------------ Annual Values High Temp: 65.8 F Mean Temp: 54.9 F Low Temp: 43.9 F Cooling DD: 1352 Heating DD: 5045 Days above 90 (T090): 42.3 Days above 100 (T100): 1.2 Days below 0 (T000): 0.0 Days below 32 (T032): 113.9 ------------------------------------------------------------------------------------------ Precipitation-Related Normals Normal Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Prcp: 2.62 2.59 3.61 4.32 5.09 4.20 4.77 2.97 3.56 3.64 4.07 3.29 Snow: 2.3 1.7 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 2.1 Number of Days P001: 7.4 7.6 10.3 11.5 11.2 9.5 9.0 7.1 7.0 8.3 9.4 9.6 P010: 4.9 5.1 6.7 8.3 8.4 6.9 6.9 5.2 5.6 5.2 6.8 6.4 P100: 0.6 0.6 1.0 1.1 1.6 1.4 1.6 0.8 1.2 1.0 1.3 0.8 S001: 2.3 1.7 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.0 S010: 1.3 0.7 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6 S100: 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 ------------------------------------------------------------------------------------------ Annual Values Precipitation: 44.73 inches Snowfall: 6.8 inches Days precipitation at or above 0 inches (P000): 107.9 Days precipitation at or above 0.10 inches (P010): 76.4 Days Precipitation at or above 1.00 inches (P100): 13.0 Days Snowfall at or above 0.1 inches (S001): 5.5 Days Snowfall at or above 1.0 inches (S010): 2.8 Days Snowfall at or above 10.0 inches (S100): 0.0 ------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------ KEY: High - average daily high temperature, degrees F Mean - average daily mean temperature, degrees F Low - average daily low temperature, degrees F CDD - cooling degree days, base 50F HDD - heating degree days, base 50F T090 - number of Days with Temperatures above 90 degrees F T100 - number of Days with Temperatures above 100 degrees F T000 - number of Days with Temperatures below 0 degrees F T032 - number of Days with Temperatures below 32 degrees F Prcp - precipitation, inches Snow - snowfall, inches P001 - number of Days with Precipitation of 0.01 inches or more P010 - number of Days with Precipitation of 0.10 inches or more P100 - number of Days with Precipitation of 1.00 inches or more S001 - number of Days with Snowfall of 0.1 inches or more S010 - number of Days with Snowfall of 1.0 inches or more S100 - number of Days with Snowfall of 10.0 inches or more Page Source: Dr. Jim Angel, State Climatologist Illinois State Water Survey Prairie Research Institute University of Illinois Data Source: NOAA National Climatic Data Center